watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:9540] Modules linked in: irq event stamp: 1988525 hardirqs last enabled at (1988524): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (1988525): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (1953456): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1953463): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 9540 Comm: syz-executor.3 Not tainted 6.13.0-rc1-next-20241206 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x369/0x2490 Code: ff df 4c 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e f7 16 00 00 41 c7 07 00 00 00 00 31 c0 48 83 c4 38 5b 5d 41 5c <41> 5d 41 5e 41 5f e9 ac b7 72 03 48 81 f9 00 70 d5 86 0f 83 cb 02 RSP: 0018:ffff88806cf095c8 EFLAGS: 00000292 RAX: 0000000000000001 RBX: ffffffff815f0170 RCX: 0000000000000001 RDX: ffff88806cf09bb8 RSI: ffff88806cf09b80 RDI: ffff88806cf095f8 RBP: ffff88806cf09680 R08: 0000000000000001 R09: ffff88806cf09628 R10: 000000000003a7a3 R11: 00000000000961e6 R12: ffff88806cf096b0 R13: ffff88806cf09630 R14: ffff88806cf09b80 R15: ffff88806cf095e8 FS: 00007fa30363a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cd2a000 CR3: 0000000038836000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 __alloc_skb+0x2ad/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__slab_free+0x7f/0x310 Code: c1 e8 1f 4d 85 ed 66 89 5c 24 58 41 89 c6 41 0f 94 c2 66 85 db 74 05 45 84 d2 74 05 45 84 f6 74 42 41 8b 7f 08 4c 8b 4c 24 58 <4c> 89 ea 4c 89 e6 4c 8b 44 24 20 e8 f1 9f ff ff 84 c0 74 9d 4c 89 RSP: 0018:ffff88803d64f820 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 000000000010000c RCX: 000000000010000d RDX: ffff8880367b3800 RSI: ffffea0000d9ec00 RDI: 0000000000089008 RBP: ffff88803d64f8c0 R08: 0000000000000001 R09: 000000000010000c R10: ffffea0000d9ec00 R11: 0000000000000000 R12: ffffea0000d9ec00 R13: ffff8880367b5800 R14: 0000000000000000 R15: ffff888008c41dc0 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 vm_area_dup+0x52/0x160 __split_vma+0x16c/0xfc0 vma_modify+0x2e9/0x3b0 vma_modify_flags+0x1c3/0x250 mlock_fixup+0x1b5/0xef0 apply_vma_lock_flags+0x253/0x380 do_mlock+0x2ad/0x800 __x64_sys_mlock2+0xc1/0x100 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa3060c4b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa30363a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000145 RAX: ffffffffffffffda RBX: 00007fa3061d7f60 RCX: 00007fa3060c4b19 RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000000020ff7000 RBP: 00007fa30611ef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc91c9400f R14: 00007fa30363a300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 9544 Comm: syz-executor.5 Not tainted 6.13.0-rc1-next-20241206 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x80 Code: c0 e9 2c 76 35 03 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 34 24 <65> 48 8b 15 20 c6 91 7e 65 8b 05 21 c6 91 7e a9 00 01 ff 00 74 27 RSP: 0018:ffff88806ce09938 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81509223 RDX: 0000000000000000 RSI: ffffffff816402c4 RDI: 00000054ef0f2043 RBP: 00000054ef0f2043 R08: 0000000000000000 R09: ffffed100d9c59c8 R10: ffff88806ce2ce43 R11: 0000000000000001 R12: 0000000000000046 R13: ffff88806ce2ce8c R14: 0000000000000000 R15: ffff88806ce2ce40 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005574dd5c0618 CR3: 00000000141a4000 CR4: 0000000000350ef0 Call Trace: tick_program_event+0x14/0x140 hrtimer_interrupt+0x3ba/0x830 __sysvec_apic_timer_interrupt+0xc2/0x330 sysvec_apic_timer_interrupt+0x34/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_cmp8+0x4/0x20 Code: 89 fe bf 04 00 00 00 e9 da fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <48> 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 a8 fe ff ff 0f 1f RSP: 0018:ffff88806ce09af0 EFLAGS: 00000282 RAX: 0000000000000000 RBX: ffff8880be4331a8 RCX: 1ffffffff0fe023f RDX: ffff88800a2cb780 RSI: ffff8880be4331a8 RDI: ffff88803e4331a8 RBP: ffff88803e4331a8 R08: 0000000000000001 R09: fffffbfff0fddbea R10: ffffffff87eedf57 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea0000ae9400 R14: 0000000000000000 R15: ffff88802ba53c00 __virt_addr_valid+0x2c/0x5d0 kasan_addr_to_slab+0xd/0xa0 kasan_record_aux_stack+0xe/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kmem_cache_free+0x2ae/0x470 skb_release_data+0x814/0x990 consume_skb+0xd0/0x160 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__cond_resched+0x31/0x70 Code: 2d b8 5d 7b 85 d2 74 07 31 c0 e9 fa 67 01 00 48 b8 00 00 00 00 00 fc ff df 55 65 48 8b 2d 07 b8 5d 7b 53 48 89 eb 48 c1 eb 03 <48> 01 c3 65 ff 05 fd b7 5d 7b bf 01 00 00 00 e8 cb c9 ff ff 65 ff RSP: 0018:ffff888018257648 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: 1ffff110014596f0 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff85c161c0 RDI: ffff88800a2cc158 RBP: ffff88800a2cb780 R08: 0000000000000000 R09: ffff88800a2cc1c0 R10: 00007fc495f65000 R11: 0000000000000000 R12: ffffffff863fc438 R13: 0000000000000004 R14: 00007fc495f65000 R15: ffff888018257ad8 unmap_page_range+0x1190/0x3b10 unmap_single_vma+0x19a/0x2b0 unmap_vmas+0x1f1/0x450 exit_mmap+0x187/0xac0 mmput+0xd1/0x2d0 do_exit+0x9ae/0x2a40 do_group_exit+0xd3/0x2a0 get_signal+0x2240/0x2320 arch_do_signal_or_restart+0x81/0x780 syscall_exit_to_user_mode+0x123/0x1e0 do_syscall_64+0xcc/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc496a89b19 Code: Unable to access opcode bytes at 0x7fc496a89aef. RSP: 002b:00007fc493fff188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: fffffffffffffff2 RBX: 00007fc496b9cf60 RCX: 00007fc496a89b19 RDX: 0000000000105802 RSI: 0000000000000000 RDI: ffffffffffffff9c RBP: 00007fc496ae3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3ee2efdf R14: 00007fc493fff300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 4c 89 fa fisttps -0x6(%rcx,%rcx,4) 4: 48 c1 ea 03 shr $0x3,%rdx 8: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax c: 84 c0 test %al,%al e: 74 08 je 0x18 10: 3c 03 cmp $0x3,%al 12: 0f 8e f7 16 00 00 jle 0x170f 18: 41 c7 07 00 00 00 00 movl $0x0,(%r15) 1f: 31 c0 xor %eax,%eax 21: 48 83 c4 38 add $0x38,%rsp 25: 5b pop %rbx 26: 5d pop %rbp 27: 41 5c pop %r12 * 29: 41 5d pop %r13 <-- trapping instruction 2b: 41 5e pop %r14 2d: 41 5f pop %r15 2f: e9 ac b7 72 03 jmpq 0x372b7e0 34: 48 81 f9 00 70 d5 86 cmp $0xffffffff86d57000,%rcx 3b: 0f .byte 0xf 3c: 83 cb 02 or $0x2,%ebx